Home / 552,918,242.28-829,501,069.86-207,874,859.16

Finding the Fourth Proportional to 552,918,242.28, 829,501,069.86 and 207,874,859.16

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Solution

The fourth proportional to 552,918,242.28, 829,501,069.86 and 207,874,859.16 is: 311,858,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,918,242.28 : 829,501,069.86 = 207,874,859.16 : x
  2. Step 2: Convert to fraction form
    552,918,242.28/829,501,069.86 = 207,874,859.16/x
  3. Step 3: Cross multiply
    552,918,242.28x = 829,501,069.86 × 207,874,859.16
  4. Step 4: Simplify right side
    552,918,242.28x = 172,432,418,070,216,832
  5. Step 5: Solve for x
    x = 172,432,418,070,216,832/552,918,242.28
  6. Step 6: Final answer
    x = 311,858,797.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.